/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:39:04,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:39:04,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:39:04,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:39:04,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:39:04,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:39:04,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:39:04,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:39:04,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:39:04,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:39:04,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:39:04,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:39:04,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:39:04,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:39:04,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:39:04,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:39:04,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:39:04,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:39:04,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:39:04,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:39:04,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:39:04,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:39:04,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:39:04,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:39:04,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 23:39:04,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:39:04,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:39:04,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:39:04,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-18 23:39:04,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:39:04,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:39:04,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:39:04,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:39:04,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:39:04,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:39:04,609 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:39:04,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:39:04,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:39:04,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:39:04,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:39:04,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:39:04,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:39:04,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:39:04,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:39:04,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:39:04,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:39:04,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:39:04,811 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:39:04,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2022-01-18 23:39:04,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ecd91a/235c6d8ef915485fbebc683a05c374b8/FLAG5faba29a0 [2022-01-18 23:39:05,301 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:39:05,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2022-01-18 23:39:05,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ecd91a/235c6d8ef915485fbebc683a05c374b8/FLAG5faba29a0 [2022-01-18 23:39:05,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f89ecd91a/235c6d8ef915485fbebc683a05c374b8 [2022-01-18 23:39:05,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:39:05,339 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:39:05,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:39:05,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:39:05,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:39:05,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bff153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05, skipping insertion in model container [2022-01-18 23:39:05,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:39:05,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:39:05,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2022-01-18 23:39:05,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:39:05,708 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:39:05,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2022-01-18 23:39:05,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:39:05,784 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:39:05,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05 WrapperNode [2022-01-18 23:39:05,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:39:05,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:39:05,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:39:05,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:39:05,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,832 INFO L137 Inliner]: procedures = 173, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2022-01-18 23:39:05,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:39:05,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:39:05,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:39:05,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:39:05,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:39:05,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:39:05,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:39:05,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:39:05,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (1/1) ... [2022-01-18 23:39:05,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:39:05,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:39:05,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 23:39:05,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 23:39:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 23:39:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:39:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:39:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:39:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:39:05,916 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 23:39:06,034 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:39:06,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:39:06,226 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:39:06,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:39:06,232 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-01-18 23:39:06,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:39:06 BoogieIcfgContainer [2022-01-18 23:39:06,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:39:06,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:39:06,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:39:06,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:39:06,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:39:05" (1/3) ... [2022-01-18 23:39:06,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e72d416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:39:06, skipping insertion in model container [2022-01-18 23:39:06,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:39:05" (2/3) ... [2022-01-18 23:39:06,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e72d416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:39:06, skipping insertion in model container [2022-01-18 23:39:06,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:39:06" (3/3) ... [2022-01-18 23:39:06,240 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2022-01-18 23:39:06,243 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:39:06,243 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:39:06,243 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,278 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 23:39:06,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:39:06,308 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:39:06,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 23:39:06,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 148 transitions, 304 flow [2022-01-18 23:39:06,361 INFO L129 PetriNetUnfolder]: 26/224 cut-off events. [2022-01-18 23:39:06,361 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:39:06,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 224 events. 26/224 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 583 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2022-01-18 23:39:06,374 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 148 transitions, 304 flow [2022-01-18 23:39:06,380 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 143 transitions, 291 flow [2022-01-18 23:39:06,409 INFO L129 PetriNetUnfolder]: 5/105 cut-off events. [2022-01-18 23:39:06,410 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:39:06,410 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:06,410 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:06,411 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 23:39:06,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:06,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1123183307, now seen corresponding path program 1 times [2022-01-18 23:39:06,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:06,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647486888] [2022-01-18 23:39:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:06,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:06,500 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:39:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:06,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:39:06,544 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:39:06,545 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-01-18 23:39:06,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-18 23:39:06,546 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-18 23:39:06,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:39:06,549 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 23:39:06,550 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:39:06,550 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 23:39:06,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:06,575 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 23:39:06,581 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:39:06,582 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:39:06,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 23:39:06,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 172 transitions, 362 flow [2022-01-18 23:39:06,615 INFO L129 PetriNetUnfolder]: 43/349 cut-off events. [2022-01-18 23:39:06,615 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-18 23:39:06,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 349 events. 43/349 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1240 event pairs, 0 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 226. Up to 9 conditions per place. [2022-01-18 23:39:06,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 172 transitions, 362 flow [2022-01-18 23:39:06,619 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 172 transitions, 362 flow [2022-01-18 23:39:06,632 INFO L129 PetriNetUnfolder]: 7/116 cut-off events. [2022-01-18 23:39:06,632 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:39:06,632 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:06,633 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:06,633 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 23:39:06,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1139599209, now seen corresponding path program 1 times [2022-01-18 23:39:06,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:06,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154031656] [2022-01-18 23:39:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:06,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:06,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:06,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154031656] [2022-01-18 23:39:06,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154031656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:06,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:06,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:06,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537493431] [2022-01-18 23:39:06,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:06,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:06,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:06,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:06,827 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 172 [2022-01-18 23:39:06,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 172 transitions, 362 flow. Second operand has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:06,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:06,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 172 [2022-01-18 23:39:06,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:07,141 INFO L129 PetriNetUnfolder]: 222/1850 cut-off events. [2022-01-18 23:39:07,141 INFO L130 PetriNetUnfolder]: For 131/159 co-relation queries the response was YES. [2022-01-18 23:39:07,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 1850 events. 222/1850 cut-off events. For 131/159 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 13950 event pairs, 55 based on Foata normal form. 476/2200 useless extension candidates. Maximal degree in co-relation 862. Up to 146 conditions per place. [2022-01-18 23:39:07,157 INFO L132 encePairwiseOnDemand]: 151/172 looper letters, 43 selfloop transitions, 8 changer transitions 5/196 dead transitions. [2022-01-18 23:39:07,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 196 transitions, 556 flow [2022-01-18 23:39:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:07,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1252 transitions. [2022-01-18 23:39:07,172 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9098837209302325 [2022-01-18 23:39:07,173 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1252 transitions. [2022-01-18 23:39:07,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1252 transitions. [2022-01-18 23:39:07,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:07,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1252 transitions. [2022-01-18 23:39:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.5) internal successors, (1252), 8 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:07,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:07,190 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 172.0) internal successors, (1548), 9 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:07,191 INFO L186 Difference]: Start difference. First operand has 158 places, 172 transitions, 362 flow. Second operand 8 states and 1252 transitions. [2022-01-18 23:39:07,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 196 transitions, 556 flow [2022-01-18 23:39:07,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 196 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:07,201 INFO L242 Difference]: Finished difference. Result has 168 places, 162 transitions, 387 flow [2022-01-18 23:39:07,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=387, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2022-01-18 23:39:07,206 INFO L334 CegarLoopForPetriNet]: 158 programPoint places, 10 predicate places. [2022-01-18 23:39:07,207 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 387 flow [2022-01-18 23:39:07,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:07,207 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:07,208 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:07,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 23:39:07,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 23:39:07,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:07,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1898508243, now seen corresponding path program 1 times [2022-01-18 23:39:07,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:07,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492402249] [2022-01-18 23:39:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:07,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:07,254 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:39:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:07,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:39:07,281 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:39:07,281 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-01-18 23:39:07,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-01-18 23:39:07,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-01-18 23:39:07,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-18 23:39:07,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 23:39:07,283 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-18 23:39:07,283 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:39:07,284 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,298 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,299 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,300 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,302 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,303 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:07,308 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 23:39:07,309 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:39:07,310 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:39:07,310 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 23:39:07,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 180 places, 196 transitions, 422 flow [2022-01-18 23:39:07,360 INFO L129 PetriNetUnfolder]: 65/507 cut-off events. [2022-01-18 23:39:07,360 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-01-18 23:39:07,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 507 events. 65/507 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2049 event pairs, 1 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 357. Up to 16 conditions per place. [2022-01-18 23:39:07,363 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 196 transitions, 422 flow [2022-01-18 23:39:07,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 196 transitions, 422 flow [2022-01-18 23:39:07,376 INFO L129 PetriNetUnfolder]: 7/114 cut-off events. [2022-01-18 23:39:07,376 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:39:07,376 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:07,376 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:07,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-18 23:39:07,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:07,377 INFO L85 PathProgramCache]: Analyzing trace with hash 681633727, now seen corresponding path program 1 times [2022-01-18 23:39:07,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:07,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180935352] [2022-01-18 23:39:07,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:07,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:07,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180935352] [2022-01-18 23:39:07,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180935352] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:07,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:07,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:07,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112482033] [2022-01-18 23:39:07,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:07,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:07,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:07,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 196 [2022-01-18 23:39:07,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 196 transitions, 422 flow. Second operand has 5 states, 5 states have (on average 158.2) internal successors, (791), 5 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:07,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:07,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 196 [2022-01-18 23:39:07,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:08,083 INFO L129 PetriNetUnfolder]: 749/4671 cut-off events. [2022-01-18 23:39:08,083 INFO L130 PetriNetUnfolder]: For 567/645 co-relation queries the response was YES. [2022-01-18 23:39:08,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6022 conditions, 4671 events. 749/4671 cut-off events. For 567/645 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 44436 event pairs, 150 based on Foata normal form. 1634/5976 useless extension candidates. Maximal degree in co-relation 2229. Up to 425 conditions per place. [2022-01-18 23:39:08,110 INFO L132 encePairwiseOnDemand]: 172/196 looper letters, 65 selfloop transitions, 8 changer transitions 0/230 dead transitions. [2022-01-18 23:39:08,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 230 transitions, 702 flow [2022-01-18 23:39:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1426 transitions. [2022-01-18 23:39:08,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9094387755102041 [2022-01-18 23:39:08,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1426 transitions. [2022-01-18 23:39:08,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1426 transitions. [2022-01-18 23:39:08,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:08,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1426 transitions. [2022-01-18 23:39:08,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 178.25) internal successors, (1426), 8 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:08,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:08,119 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:08,119 INFO L186 Difference]: Start difference. First operand has 180 places, 196 transitions, 422 flow. Second operand 8 states and 1426 transitions. [2022-01-18 23:39:08,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 230 transitions, 702 flow [2022-01-18 23:39:08,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 230 transitions, 702 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:08,126 INFO L242 Difference]: Finished difference. Result has 189 places, 182 transitions, 439 flow [2022-01-18 23:39:08,126 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=439, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2022-01-18 23:39:08,127 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 9 predicate places. [2022-01-18 23:39:08,127 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 439 flow [2022-01-18 23:39:08,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 158.2) internal successors, (791), 5 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:08,128 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:08,128 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:08,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 23:39:08,129 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-18 23:39:08,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:08,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2063890061, now seen corresponding path program 1 times [2022-01-18 23:39:08,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:08,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451503449] [2022-01-18 23:39:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:08,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 23:39:08,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:08,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451503449] [2022-01-18 23:39:08,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451503449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:08,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:08,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:08,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330826915] [2022-01-18 23:39:08,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:08,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:08,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:08,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:08,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:08,221 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 196 [2022-01-18 23:39:08,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 439 flow. Second operand has 5 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:08,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:08,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 196 [2022-01-18 23:39:08,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:08,956 INFO L129 PetriNetUnfolder]: 1235/8063 cut-off events. [2022-01-18 23:39:08,956 INFO L130 PetriNetUnfolder]: For 2053/2221 co-relation queries the response was YES. [2022-01-18 23:39:08,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11386 conditions, 8063 events. 1235/8063 cut-off events. For 2053/2221 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 88201 event pairs, 360 based on Foata normal form. 27/7516 useless extension candidates. Maximal degree in co-relation 8062. Up to 850 conditions per place. [2022-01-18 23:39:09,012 INFO L132 encePairwiseOnDemand]: 190/196 looper letters, 61 selfloop transitions, 14 changer transitions 2/237 dead transitions. [2022-01-18 23:39:09,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 237 transitions, 813 flow [2022-01-18 23:39:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:09,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1329 transitions. [2022-01-18 23:39:09,014 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8475765306122449 [2022-01-18 23:39:09,014 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1329 transitions. [2022-01-18 23:39:09,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1329 transitions. [2022-01-18 23:39:09,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:09,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1329 transitions. [2022-01-18 23:39:09,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 166.125) internal successors, (1329), 8 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:09,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:09,020 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 196.0) internal successors, (1764), 9 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:09,020 INFO L186 Difference]: Start difference. First operand has 189 places, 182 transitions, 439 flow. Second operand 8 states and 1329 transitions. [2022-01-18 23:39:09,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 237 transitions, 813 flow [2022-01-18 23:39:09,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 237 transitions, 813 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:09,033 INFO L242 Difference]: Finished difference. Result has 200 places, 192 transitions, 537 flow [2022-01-18 23:39:09,033 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=537, PETRI_PLACES=200, PETRI_TRANSITIONS=192} [2022-01-18 23:39:09,034 INFO L334 CegarLoopForPetriNet]: 180 programPoint places, 20 predicate places. [2022-01-18 23:39:09,034 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 192 transitions, 537 flow [2022-01-18 23:39:09,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 158.4) internal successors, (792), 5 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:09,035 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:09,035 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:09,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 23:39:09,035 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-01-18 23:39:09,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:09,036 INFO L85 PathProgramCache]: Analyzing trace with hash -340863136, now seen corresponding path program 1 times [2022-01-18 23:39:09,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:09,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957951842] [2022-01-18 23:39:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:09,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:09,055 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:39:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:09,078 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:39:09,079 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:39:09,079 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-01-18 23:39:09,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-01-18 23:39:09,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-01-18 23:39:09,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-01-18 23:39:09,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-01-18 23:39:09,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 23:39:09,079 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 23:39:09,080 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:39:09,080 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:09,114 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 23:39:09,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:39:09,121 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:39:09,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 23:39:09,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 220 transitions, 484 flow [2022-01-18 23:39:09,172 INFO L129 PetriNetUnfolder]: 99/733 cut-off events. [2022-01-18 23:39:09,172 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-01-18 23:39:09,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 733 events. 99/733 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3260 event pairs, 6 based on Foata normal form. 0/630 useless extension candidates. Maximal degree in co-relation 527. Up to 32 conditions per place. [2022-01-18 23:39:09,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 202 places, 220 transitions, 484 flow [2022-01-18 23:39:09,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 220 transitions, 484 flow [2022-01-18 23:39:09,194 INFO L129 PetriNetUnfolder]: 5/108 cut-off events. [2022-01-18 23:39:09,194 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:39:09,194 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:09,194 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:09,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 23:39:09,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash -747934017, now seen corresponding path program 1 times [2022-01-18 23:39:09,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:09,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439638698] [2022-01-18 23:39:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:09,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:09,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:09,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439638698] [2022-01-18 23:39:09,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439638698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:09,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:09,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:09,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374562550] [2022-01-18 23:39:09,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:09,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:09,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:09,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:09,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:09,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 220 [2022-01-18 23:39:09,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 220 transitions, 484 flow. Second operand has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:09,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:09,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 220 [2022-01-18 23:39:09,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:10,523 INFO L129 PetriNetUnfolder]: 2347/11967 cut-off events. [2022-01-18 23:39:10,523 INFO L130 PetriNetUnfolder]: For 2201/2384 co-relation queries the response was YES. [2022-01-18 23:39:10,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16051 conditions, 11967 events. 2347/11967 cut-off events. For 2201/2384 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 135170 event pairs, 467 based on Foata normal form. 5204/16323 useless extension candidates. Maximal degree in co-relation 6009. Up to 1187 conditions per place. [2022-01-18 23:39:10,614 INFO L132 encePairwiseOnDemand]: 193/220 looper letters, 82 selfloop transitions, 8 changer transitions 0/264 dead transitions. [2022-01-18 23:39:10,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 264 transitions, 854 flow [2022-01-18 23:39:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1600 transitions. [2022-01-18 23:39:10,618 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9090909090909091 [2022-01-18 23:39:10,618 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1600 transitions. [2022-01-18 23:39:10,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1600 transitions. [2022-01-18 23:39:10,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:10,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1600 transitions. [2022-01-18 23:39:10,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 200.0) internal successors, (1600), 8 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:10,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:10,623 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:10,623 INFO L186 Difference]: Start difference. First operand has 202 places, 220 transitions, 484 flow. Second operand 8 states and 1600 transitions. [2022-01-18 23:39:10,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 264 transitions, 854 flow [2022-01-18 23:39:10,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 264 transitions, 854 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:10,627 INFO L242 Difference]: Finished difference. Result has 210 places, 202 transitions, 493 flow [2022-01-18 23:39:10,627 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=493, PETRI_PLACES=210, PETRI_TRANSITIONS=202} [2022-01-18 23:39:10,628 INFO L334 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2022-01-18 23:39:10,628 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 202 transitions, 493 flow [2022-01-18 23:39:10,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:10,629 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:10,629 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:10,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 23:39:10,629 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 23:39:10,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:10,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1067536201, now seen corresponding path program 1 times [2022-01-18 23:39:10,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:10,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557012527] [2022-01-18 23:39:10,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:10,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 23:39:10,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:10,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557012527] [2022-01-18 23:39:10,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557012527] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:10,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:10,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:10,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008111255] [2022-01-18 23:39:10,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:10,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:10,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:10,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:10,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:10,692 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 220 [2022-01-18 23:39:10,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 202 transitions, 493 flow. Second operand has 5 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:10,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:10,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 220 [2022-01-18 23:39:10,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:12,871 INFO L129 PetriNetUnfolder]: 4094/20832 cut-off events. [2022-01-18 23:39:12,871 INFO L130 PetriNetUnfolder]: For 6391/6786 co-relation queries the response was YES. [2022-01-18 23:39:12,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30428 conditions, 20832 events. 4094/20832 cut-off events. For 6391/6786 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 263478 event pairs, 987 based on Foata normal form. 60/19433 useless extension candidates. Maximal degree in co-relation 21198. Up to 2506 conditions per place. [2022-01-18 23:39:13,036 INFO L132 encePairwiseOnDemand]: 214/220 looper letters, 80 selfloop transitions, 14 changer transitions 0/271 dead transitions. [2022-01-18 23:39:13,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 271 transitions, 965 flow [2022-01-18 23:39:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1482 transitions. [2022-01-18 23:39:13,039 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8420454545454545 [2022-01-18 23:39:13,039 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1482 transitions. [2022-01-18 23:39:13,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1482 transitions. [2022-01-18 23:39:13,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:13,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1482 transitions. [2022-01-18 23:39:13,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 185.25) internal successors, (1482), 8 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:13,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:13,044 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:13,045 INFO L186 Difference]: Start difference. First operand has 210 places, 202 transitions, 493 flow. Second operand 8 states and 1482 transitions. [2022-01-18 23:39:13,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 271 transitions, 965 flow [2022-01-18 23:39:13,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 271 transitions, 965 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:13,057 INFO L242 Difference]: Finished difference. Result has 221 places, 212 transitions, 591 flow [2022-01-18 23:39:13,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=591, PETRI_PLACES=221, PETRI_TRANSITIONS=212} [2022-01-18 23:39:13,059 INFO L334 CegarLoopForPetriNet]: 202 programPoint places, 19 predicate places. [2022-01-18 23:39:13,059 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 212 transitions, 591 flow [2022-01-18 23:39:13,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:13,060 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:13,060 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:13,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 23:39:13,060 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 23:39:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1025099248, now seen corresponding path program 1 times [2022-01-18 23:39:13,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:13,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531063051] [2022-01-18 23:39:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:13,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-18 23:39:13,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:13,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531063051] [2022-01-18 23:39:13,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531063051] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:13,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:13,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:13,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241283622] [2022-01-18 23:39:13,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:13,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:13,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:13,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:13,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:13,123 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 220 [2022-01-18 23:39:13,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 212 transitions, 591 flow. Second operand has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:13,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:13,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 220 [2022-01-18 23:39:13,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:17,490 INFO L129 PetriNetUnfolder]: 6614/38066 cut-off events. [2022-01-18 23:39:17,490 INFO L130 PetriNetUnfolder]: For 12543/13298 co-relation queries the response was YES. [2022-01-18 23:39:17,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56022 conditions, 38066 events. 6614/38066 cut-off events. For 12543/13298 co-relation queries the response was YES. Maximal size of possible extension queue 1041. Compared 550715 event pairs, 2372 based on Foata normal form. 68/35532 useless extension candidates. Maximal degree in co-relation 41437. Up to 4409 conditions per place. [2022-01-18 23:39:17,787 INFO L132 encePairwiseOnDemand]: 214/220 looper letters, 78 selfloop transitions, 32 changer transitions 0/290 dead transitions. [2022-01-18 23:39:17,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 290 transitions, 1215 flow [2022-01-18 23:39:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1480 transitions. [2022-01-18 23:39:17,789 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409090909090909 [2022-01-18 23:39:17,789 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1480 transitions. [2022-01-18 23:39:17,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1480 transitions. [2022-01-18 23:39:17,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:17,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1480 transitions. [2022-01-18 23:39:17,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 185.0) internal successors, (1480), 8 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:17,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:17,794 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 220.0) internal successors, (1980), 9 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:17,794 INFO L186 Difference]: Start difference. First operand has 221 places, 212 transitions, 591 flow. Second operand 8 states and 1480 transitions. [2022-01-18 23:39:17,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 290 transitions, 1215 flow [2022-01-18 23:39:17,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 290 transitions, 1215 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:17,821 INFO L242 Difference]: Finished difference. Result has 232 places, 234 transitions, 877 flow [2022-01-18 23:39:17,822 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=877, PETRI_PLACES=232, PETRI_TRANSITIONS=234} [2022-01-18 23:39:17,823 INFO L334 CegarLoopForPetriNet]: 202 programPoint places, 30 predicate places. [2022-01-18 23:39:17,823 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 234 transitions, 877 flow [2022-01-18 23:39:17,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:17,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:17,824 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:17,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 23:39:17,824 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-01-18 23:39:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:17,824 INFO L85 PathProgramCache]: Analyzing trace with hash 823299250, now seen corresponding path program 1 times [2022-01-18 23:39:17,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:17,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840959703] [2022-01-18 23:39:17,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:17,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:17,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:39:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:39:17,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:39:17,867 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:39:17,867 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-01-18 23:39:17,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-18 23:39:17,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-01-18 23:39:17,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-18 23:39:17,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-18 23:39:17,868 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-18 23:39:17,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 23:39:17,868 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-18 23:39:17,868 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:39:17,868 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,900 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:39:17,910 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 23:39:17,911 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:39:17,911 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:39:17,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-18 23:39:17,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 244 transitions, 548 flow [2022-01-18 23:39:17,987 INFO L129 PetriNetUnfolder]: 161/1099 cut-off events. [2022-01-18 23:39:17,987 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2022-01-18 23:39:17,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 1099 events. 161/1099 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5509 event pairs, 23 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 778. Up to 80 conditions per place. [2022-01-18 23:39:17,997 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 244 transitions, 548 flow [2022-01-18 23:39:18,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 244 transitions, 548 flow [2022-01-18 23:39:18,007 INFO L129 PetriNetUnfolder]: 6/114 cut-off events. [2022-01-18 23:39:18,007 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:39:18,007 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:18,007 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:18,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:39:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 478540307, now seen corresponding path program 1 times [2022-01-18 23:39:18,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:18,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719881690] [2022-01-18 23:39:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:18,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:18,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:18,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719881690] [2022-01-18 23:39:18,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719881690] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:18,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:18,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:18,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788774416] [2022-01-18 23:39:18,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:18,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:18,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:18,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:18,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:18,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 244 [2022-01-18 23:39:18,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 244 transitions, 548 flow. Second operand has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:18,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:18,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 244 [2022-01-18 23:39:18,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:21,856 INFO L129 PetriNetUnfolder]: 7238/33388 cut-off events. [2022-01-18 23:39:21,856 INFO L130 PetriNetUnfolder]: For 7687/8080 co-relation queries the response was YES. [2022-01-18 23:39:22,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45758 conditions, 33388 events. 7238/33388 cut-off events. For 7687/8080 co-relation queries the response was YES. Maximal size of possible extension queue 701. Compared 437080 event pairs, 2172 based on Foata normal form. 16132/47131 useless extension candidates. Maximal degree in co-relation 16798. Up to 3313 conditions per place. [2022-01-18 23:39:22,119 INFO L132 encePairwiseOnDemand]: 214/244 looper letters, 99 selfloop transitions, 8 changer transitions 0/298 dead transitions. [2022-01-18 23:39:22,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 298 transitions, 1012 flow [2022-01-18 23:39:22,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1774 transitions. [2022-01-18 23:39:22,123 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9088114754098361 [2022-01-18 23:39:22,123 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1774 transitions. [2022-01-18 23:39:22,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1774 transitions. [2022-01-18 23:39:22,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:22,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1774 transitions. [2022-01-18 23:39:22,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 221.75) internal successors, (1774), 8 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:22,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:22,128 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:22,128 INFO L186 Difference]: Start difference. First operand has 224 places, 244 transitions, 548 flow. Second operand 8 states and 1774 transitions. [2022-01-18 23:39:22,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 298 transitions, 1012 flow [2022-01-18 23:39:22,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 298 transitions, 1012 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:22,134 INFO L242 Difference]: Finished difference. Result has 231 places, 222 transitions, 549 flow [2022-01-18 23:39:22,134 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=549, PETRI_PLACES=231, PETRI_TRANSITIONS=222} [2022-01-18 23:39:22,134 INFO L334 CegarLoopForPetriNet]: 224 programPoint places, 7 predicate places. [2022-01-18 23:39:22,134 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 222 transitions, 549 flow [2022-01-18 23:39:22,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:22,135 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:22,135 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:22,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 23:39:22,135 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:39:22,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:22,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1245790069, now seen corresponding path program 1 times [2022-01-18 23:39:22,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:22,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515797679] [2022-01-18 23:39:22,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:22,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 23:39:22,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:22,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515797679] [2022-01-18 23:39:22,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515797679] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:22,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:22,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:22,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587958941] [2022-01-18 23:39:22,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:22,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:22,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:22,168 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 244 [2022-01-18 23:39:22,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 222 transitions, 549 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:22,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:22,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 244 [2022-01-18 23:39:22,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:28,705 INFO L129 PetriNetUnfolder]: 12832/56417 cut-off events. [2022-01-18 23:39:28,706 INFO L130 PetriNetUnfolder]: For 19749/20685 co-relation queries the response was YES. [2022-01-18 23:39:29,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83711 conditions, 56417 events. 12832/56417 cut-off events. For 19749/20685 co-relation queries the response was YES. Maximal size of possible extension queue 1224. Compared 795866 event pairs, 3078 based on Foata normal form. 137/52504 useless extension candidates. Maximal degree in co-relation 58564. Up to 7154 conditions per place. [2022-01-18 23:39:29,443 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 97 selfloop transitions, 14 changer transitions 0/305 dead transitions. [2022-01-18 23:39:29,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 305 transitions, 1123 flow [2022-01-18 23:39:29,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1635 transitions. [2022-01-18 23:39:29,451 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8376024590163934 [2022-01-18 23:39:29,451 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1635 transitions. [2022-01-18 23:39:29,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1635 transitions. [2022-01-18 23:39:29,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:29,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1635 transitions. [2022-01-18 23:39:29,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 204.375) internal successors, (1635), 8 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:29,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:29,467 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:29,467 INFO L186 Difference]: Start difference. First operand has 231 places, 222 transitions, 549 flow. Second operand 8 states and 1635 transitions. [2022-01-18 23:39:29,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 305 transitions, 1123 flow [2022-01-18 23:39:29,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 305 transitions, 1123 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:29,499 INFO L242 Difference]: Finished difference. Result has 242 places, 232 transitions, 647 flow [2022-01-18 23:39:29,499 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=647, PETRI_PLACES=242, PETRI_TRANSITIONS=232} [2022-01-18 23:39:29,500 INFO L334 CegarLoopForPetriNet]: 224 programPoint places, 18 predicate places. [2022-01-18 23:39:29,500 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 232 transitions, 647 flow [2022-01-18 23:39:29,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:29,501 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:29,501 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:29,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 23:39:29,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:39:29,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:29,501 INFO L85 PathProgramCache]: Analyzing trace with hash -782038302, now seen corresponding path program 1 times [2022-01-18 23:39:29,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:29,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392044682] [2022-01-18 23:39:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:29,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-18 23:39:29,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:29,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392044682] [2022-01-18 23:39:29,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392044682] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:29,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:29,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:29,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153645114] [2022-01-18 23:39:29,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:29,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:29,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:29,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:29,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:29,563 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 244 [2022-01-18 23:39:29,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 232 transitions, 647 flow. Second operand has 5 states, 5 states have (on average 192.6) internal successors, (963), 5 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:29,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:29,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 244 [2022-01-18 23:39:29,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:42,389 INFO L129 PetriNetUnfolder]: 21556/99843 cut-off events. [2022-01-18 23:39:42,389 INFO L130 PetriNetUnfolder]: For 38161/39923 co-relation queries the response was YES. [2022-01-18 23:39:43,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151382 conditions, 99843 events. 21556/99843 cut-off events. For 38161/39923 co-relation queries the response was YES. Maximal size of possible extension queue 2491. Compared 1587998 event pairs, 6834 based on Foata normal form. 159/93204 useless extension candidates. Maximal degree in co-relation 110603. Up to 13234 conditions per place. [2022-01-18 23:39:44,027 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 95 selfloop transitions, 32 changer transitions 0/324 dead transitions. [2022-01-18 23:39:44,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 324 transitions, 1373 flow [2022-01-18 23:39:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:39:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:39:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1633 transitions. [2022-01-18 23:39:44,030 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.836577868852459 [2022-01-18 23:39:44,030 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1633 transitions. [2022-01-18 23:39:44,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1633 transitions. [2022-01-18 23:39:44,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:44,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1633 transitions. [2022-01-18 23:39:44,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 204.125) internal successors, (1633), 8 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:44,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:44,036 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:44,036 INFO L186 Difference]: Start difference. First operand has 242 places, 232 transitions, 647 flow. Second operand 8 states and 1633 transitions. [2022-01-18 23:39:44,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 324 transitions, 1373 flow [2022-01-18 23:39:44,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 324 transitions, 1373 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:44,165 INFO L242 Difference]: Finished difference. Result has 253 places, 254 transitions, 933 flow [2022-01-18 23:39:44,166 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=933, PETRI_PLACES=253, PETRI_TRANSITIONS=254} [2022-01-18 23:39:44,166 INFO L334 CegarLoopForPetriNet]: 224 programPoint places, 29 predicate places. [2022-01-18 23:39:44,166 INFO L470 AbstractCegarLoop]: Abstraction has has 253 places, 254 transitions, 933 flow [2022-01-18 23:39:44,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.6) internal successors, (963), 5 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:44,167 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:44,167 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:44,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 23:39:44,167 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:39:44,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:44,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1341293639, now seen corresponding path program 1 times [2022-01-18 23:39:44,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:44,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540210287] [2022-01-18 23:39:44,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:44,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:44,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:44,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540210287] [2022-01-18 23:39:44,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540210287] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:39:44,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816721851] [2022-01-18 23:39:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:44,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:39:44,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:39:44,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:39:44,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 23:39:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:44,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:39:44,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:39:44,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:44,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:39:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:39:44,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816721851] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:39:44,627 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:39:44,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:39:44,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313365211] [2022-01-18 23:39:44,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:39:44,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:39:44,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:44,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:39:44,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:39:44,629 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 244 [2022-01-18 23:39:44,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 254 transitions, 933 flow. Second operand has 10 states, 10 states have (on average 199.3) internal successors, (1993), 10 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:44,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:44,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 244 [2022-01-18 23:39:44,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:39:46,274 INFO L129 PetriNetUnfolder]: 1032/13330 cut-off events. [2022-01-18 23:39:46,274 INFO L130 PetriNetUnfolder]: For 5092/5251 co-relation queries the response was YES. [2022-01-18 23:39:46,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17195 conditions, 13330 events. 1032/13330 cut-off events. For 5092/5251 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 170166 event pairs, 333 based on Foata normal form. 6/12577 useless extension candidates. Maximal degree in co-relation 11080. Up to 1191 conditions per place. [2022-01-18 23:39:46,363 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 20 selfloop transitions, 9 changer transitions 0/265 dead transitions. [2022-01-18 23:39:46,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 265 transitions, 1013 flow [2022-01-18 23:39:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:39:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:39:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1805 transitions. [2022-01-18 23:39:46,366 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8219489981785064 [2022-01-18 23:39:46,366 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1805 transitions. [2022-01-18 23:39:46,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1805 transitions. [2022-01-18 23:39:46,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:39:46,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1805 transitions. [2022-01-18 23:39:46,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 200.55555555555554) internal successors, (1805), 9 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:46,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:46,371 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 244.0) internal successors, (2440), 10 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:46,371 INFO L186 Difference]: Start difference. First operand has 253 places, 254 transitions, 933 flow. Second operand 9 states and 1805 transitions. [2022-01-18 23:39:46,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 265 transitions, 1013 flow [2022-01-18 23:39:46,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 265 transitions, 1013 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:39:46,380 INFO L242 Difference]: Finished difference. Result has 265 places, 261 transitions, 987 flow [2022-01-18 23:39:46,381 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=987, PETRI_PLACES=265, PETRI_TRANSITIONS=261} [2022-01-18 23:39:46,381 INFO L334 CegarLoopForPetriNet]: 224 programPoint places, 41 predicate places. [2022-01-18 23:39:46,381 INFO L470 AbstractCegarLoop]: Abstraction has has 265 places, 261 transitions, 987 flow [2022-01-18 23:39:46,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 199.3) internal successors, (1993), 10 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:46,382 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:39:46,382 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:39:46,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 23:39:46,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-18 23:39:46,587 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:39:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:39:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash -639176784, now seen corresponding path program 1 times [2022-01-18 23:39:46,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:39:46,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667160403] [2022-01-18 23:39:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:39:46,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:39:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:39:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-01-18 23:39:46,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:39:46,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667160403] [2022-01-18 23:39:46,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667160403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:39:46,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:39:46,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:39:46,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473835711] [2022-01-18 23:39:46,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:39:46,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:39:46,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:39:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:39:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:39:46,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 244 [2022-01-18 23:39:46,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 261 transitions, 987 flow. Second operand has 5 states, 5 states have (on average 192.8) internal successors, (964), 5 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:39:46,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:39:46,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 244 [2022-01-18 23:39:46,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:40:12,881 INFO L129 PetriNetUnfolder]: 36072/194452 cut-off events. [2022-01-18 23:40:12,881 INFO L130 PetriNetUnfolder]: For 71796/73041 co-relation queries the response was YES. [2022-01-18 23:40:15,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287104 conditions, 194452 events. 36072/194452 cut-off events. For 71796/73041 co-relation queries the response was YES. Maximal size of possible extension queue 5010. Compared 3480445 event pairs, 15593 based on Foata normal form. 301/182461 useless extension candidates. Maximal degree in co-relation 206974. Up to 23265 conditions per place. [2022-01-18 23:40:16,015 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 92 selfloop transitions, 86 changer transitions 1/386 dead transitions. [2022-01-18 23:40:16,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 386 transitions, 2309 flow [2022-01-18 23:40:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:40:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:40:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1631 transitions. [2022-01-18 23:40:16,018 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8355532786885246 [2022-01-18 23:40:16,018 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1631 transitions. [2022-01-18 23:40:16,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1631 transitions. [2022-01-18 23:40:16,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:40:16,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1631 transitions. [2022-01-18 23:40:16,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 203.875) internal successors, (1631), 8 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:16,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:16,023 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 244.0) internal successors, (2196), 9 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:16,023 INFO L186 Difference]: Start difference. First operand has 265 places, 261 transitions, 987 flow. Second operand 8 states and 1631 transitions. [2022-01-18 23:40:16,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 386 transitions, 2309 flow [2022-01-18 23:40:16,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 386 transitions, 2309 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:40:16,354 INFO L242 Difference]: Finished difference. Result has 276 places, 319 transitions, 1957 flow [2022-01-18 23:40:16,354 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1957, PETRI_PLACES=276, PETRI_TRANSITIONS=319} [2022-01-18 23:40:16,355 INFO L334 CegarLoopForPetriNet]: 224 programPoint places, 52 predicate places. [2022-01-18 23:40:16,355 INFO L470 AbstractCegarLoop]: Abstraction has has 276 places, 319 transitions, 1957 flow [2022-01-18 23:40:16,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.8) internal successors, (964), 5 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:16,355 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:40:16,355 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:40:16,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 23:40:16,355 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-18 23:40:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:40:16,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2073556215, now seen corresponding path program 1 times [2022-01-18 23:40:16,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:40:16,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123051903] [2022-01-18 23:40:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:40:16,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:40:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:40:16,372 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:40:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:40:16,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:40:16,396 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-01-18 23:40:16,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-01-18 23:40:16,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 23:40:16,397 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-18 23:40:16,397 WARN L235 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 23:40:16,397 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,410 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,411 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,412 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:40:16,426 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-18 23:40:16,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:40:16,428 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 23:40:16,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-01-18 23:40:16,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 268 transitions, 614 flow [2022-01-18 23:40:16,564 INFO L129 PetriNetUnfolder]: 287/1753 cut-off events. [2022-01-18 23:40:16,564 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-01-18 23:40:16,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1985 conditions, 1753 events. 287/1753 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10208 event pairs, 72 based on Foata normal form. 0/1524 useless extension candidates. Maximal degree in co-relation 1198. Up to 192 conditions per place. [2022-01-18 23:40:16,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 268 transitions, 614 flow [2022-01-18 23:40:16,587 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 268 transitions, 614 flow [2022-01-18 23:40:16,591 INFO L129 PetriNetUnfolder]: 5/108 cut-off events. [2022-01-18 23:40:16,591 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:40:16,591 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:40:16,591 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:40:16,591 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:40:16,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:40:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 733412369, now seen corresponding path program 1 times [2022-01-18 23:40:16,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:40:16,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016936335] [2022-01-18 23:40:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:40:16,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:40:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:40:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:40:16,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:40:16,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016936335] [2022-01-18 23:40:16,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016936335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:40:16,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:40:16,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:40:16,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111585121] [2022-01-18 23:40:16,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:40:16,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:40:16,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:40:16,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:40:16,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:40:16,626 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 268 [2022-01-18 23:40:16,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 268 transitions, 614 flow. Second operand has 5 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:16,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:40:16,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 268 [2022-01-18 23:40:16,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:40:25,565 INFO L129 PetriNetUnfolder]: 22437/78466 cut-off events. [2022-01-18 23:40:25,565 INFO L130 PetriNetUnfolder]: For 27493/28240 co-relation queries the response was YES. [2022-01-18 23:40:26,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116540 conditions, 78466 events. 22437/78466 cut-off events. For 27493/28240 co-relation queries the response was YES. Maximal size of possible extension queue 1526. Compared 1080129 event pairs, 3864 based on Foata normal form. 48851/122554 useless extension candidates. Maximal degree in co-relation 67778. Up to 9411 conditions per place. [2022-01-18 23:40:26,359 INFO L132 encePairwiseOnDemand]: 235/268 looper letters, 116 selfloop transitions, 8 changer transitions 0/332 dead transitions. [2022-01-18 23:40:26,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 332 transitions, 1176 flow [2022-01-18 23:40:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:40:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:40:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1948 transitions. [2022-01-18 23:40:26,362 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9085820895522388 [2022-01-18 23:40:26,362 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1948 transitions. [2022-01-18 23:40:26,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1948 transitions. [2022-01-18 23:40:26,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:40:26,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1948 transitions. [2022-01-18 23:40:26,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 243.5) internal successors, (1948), 8 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:26,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:26,367 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:26,367 INFO L186 Difference]: Start difference. First operand has 246 places, 268 transitions, 614 flow. Second operand 8 states and 1948 transitions. [2022-01-18 23:40:26,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 332 transitions, 1176 flow [2022-01-18 23:40:26,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 332 transitions, 1176 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:40:26,383 INFO L242 Difference]: Finished difference. Result has 252 places, 242 transitions, 607 flow [2022-01-18 23:40:26,383 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=607, PETRI_PLACES=252, PETRI_TRANSITIONS=242} [2022-01-18 23:40:26,384 INFO L334 CegarLoopForPetriNet]: 246 programPoint places, 6 predicate places. [2022-01-18 23:40:26,384 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 242 transitions, 607 flow [2022-01-18 23:40:26,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:26,384 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:40:26,384 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:40:26,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 23:40:26,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:40:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:40:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2098515873, now seen corresponding path program 1 times [2022-01-18 23:40:26,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:40:26,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810162267] [2022-01-18 23:40:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:40:26,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:40:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:40:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 23:40:26,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:40:26,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810162267] [2022-01-18 23:40:26,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810162267] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:40:26,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:40:26,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:40:26,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722132264] [2022-01-18 23:40:26,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:40:26,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:40:26,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:40:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:40:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:40:26,420 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 268 [2022-01-18 23:40:26,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 242 transitions, 607 flow. Second operand has 5 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:26,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:40:26,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 268 [2022-01-18 23:40:26,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:40:45,341 INFO L129 PetriNetUnfolder]: 39532/144569 cut-off events. [2022-01-18 23:40:45,342 INFO L130 PetriNetUnfolder]: For 60115/62000 co-relation queries the response was YES. [2022-01-18 23:40:47,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223185 conditions, 144569 events. 39532/144569 cut-off events. For 60115/62000 co-relation queries the response was YES. Maximal size of possible extension queue 3031. Compared 2204108 event pairs, 8545 based on Foata normal form. 274/135420 useless extension candidates. Maximal degree in co-relation 154778. Up to 20530 conditions per place. [2022-01-18 23:40:47,696 INFO L132 encePairwiseOnDemand]: 262/268 looper letters, 114 selfloop transitions, 14 changer transitions 0/339 dead transitions. [2022-01-18 23:40:47,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 339 transitions, 1287 flow [2022-01-18 23:40:47,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:40:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:40:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1788 transitions. [2022-01-18 23:40:47,699 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8339552238805971 [2022-01-18 23:40:47,699 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1788 transitions. [2022-01-18 23:40:47,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1788 transitions. [2022-01-18 23:40:47,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:40:47,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1788 transitions. [2022-01-18 23:40:47,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 223.5) internal successors, (1788), 8 states have internal predecessors, (1788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:47,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:47,704 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:47,704 INFO L186 Difference]: Start difference. First operand has 252 places, 242 transitions, 607 flow. Second operand 8 states and 1788 transitions. [2022-01-18 23:40:47,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 339 transitions, 1287 flow [2022-01-18 23:40:47,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 339 transitions, 1287 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:40:47,794 INFO L242 Difference]: Finished difference. Result has 263 places, 252 transitions, 705 flow [2022-01-18 23:40:47,794 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=705, PETRI_PLACES=263, PETRI_TRANSITIONS=252} [2022-01-18 23:40:47,795 INFO L334 CegarLoopForPetriNet]: 246 programPoint places, 17 predicate places. [2022-01-18 23:40:47,795 INFO L470 AbstractCegarLoop]: Abstraction has has 263 places, 252 transitions, 705 flow [2022-01-18 23:40:47,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:47,795 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:40:47,795 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:40:47,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 23:40:47,795 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:40:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:40:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -328035570, now seen corresponding path program 1 times [2022-01-18 23:40:47,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:40:47,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058163678] [2022-01-18 23:40:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:40:47,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:40:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:40:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-01-18 23:40:47,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:40:47,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058163678] [2022-01-18 23:40:47,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058163678] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:40:47,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:40:47,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:40:47,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874443091] [2022-01-18 23:40:47,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:40:47,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:40:47,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:40:47,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:40:47,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:40:47,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 268 [2022-01-18 23:40:47,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 252 transitions, 705 flow. Second operand has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:40:47,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:40:47,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 268 [2022-01-18 23:40:47,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:41:26,566 INFO L129 PetriNetUnfolder]: 68410/271538 cut-off events. [2022-01-18 23:41:26,567 INFO L130 PetriNetUnfolder]: For 114505/118394 co-relation queries the response was YES. [2022-01-18 23:41:30,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 420555 conditions, 271538 events. 68410/271538 cut-off events. For 114505/118394 co-relation queries the response was YES. Maximal size of possible extension queue 5964. Compared 4641312 event pairs, 20391 based on Foata normal form. 354/253562 useless extension candidates. Maximal degree in co-relation 305167. Up to 38916 conditions per place. [2022-01-18 23:41:31,917 INFO L132 encePairwiseOnDemand]: 262/268 looper letters, 112 selfloop transitions, 32 changer transitions 0/358 dead transitions. [2022-01-18 23:41:31,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 358 transitions, 1537 flow [2022-01-18 23:41:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:41:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:41:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1786 transitions. [2022-01-18 23:41:31,918 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8330223880597015 [2022-01-18 23:41:31,919 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1786 transitions. [2022-01-18 23:41:31,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1786 transitions. [2022-01-18 23:41:31,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:41:31,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1786 transitions. [2022-01-18 23:41:31,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 223.25) internal successors, (1786), 8 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:31,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:31,923 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:31,923 INFO L186 Difference]: Start difference. First operand has 263 places, 252 transitions, 705 flow. Second operand 8 states and 1786 transitions. [2022-01-18 23:41:31,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 358 transitions, 1537 flow [2022-01-18 23:41:32,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 358 transitions, 1537 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:41:32,407 INFO L242 Difference]: Finished difference. Result has 274 places, 274 transitions, 991 flow [2022-01-18 23:41:32,408 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=991, PETRI_PLACES=274, PETRI_TRANSITIONS=274} [2022-01-18 23:41:32,408 INFO L334 CegarLoopForPetriNet]: 246 programPoint places, 28 predicate places. [2022-01-18 23:41:32,408 INFO L470 AbstractCegarLoop]: Abstraction has has 274 places, 274 transitions, 991 flow [2022-01-18 23:41:32,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.6) internal successors, (1048), 5 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:32,408 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:41:32,408 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:41:32,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 23:41:32,409 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:41:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:41:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1035332783, now seen corresponding path program 1 times [2022-01-18 23:41:32,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:41:32,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438130659] [2022-01-18 23:41:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:41:32,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:41:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:41:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:41:32,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:41:32,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438130659] [2022-01-18 23:41:32,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438130659] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 23:41:32,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814688810] [2022-01-18 23:41:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:41:32,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 23:41:32,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:41:32,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 23:41:32,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 23:41:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:41:32,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-18 23:41:32,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 23:41:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:41:32,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 23:41:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 23:41:32,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814688810] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 23:41:32,746 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 23:41:32,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-01-18 23:41:32,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422918384] [2022-01-18 23:41:32,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 23:41:32,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 23:41:32,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:41:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 23:41:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-01-18 23:41:32,747 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 268 [2022-01-18 23:41:32,748 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 274 transitions, 991 flow. Second operand has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:32,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:41:32,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 268 [2022-01-18 23:41:32,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:41:35,794 INFO L129 PetriNetUnfolder]: 2340/23709 cut-off events. [2022-01-18 23:41:35,794 INFO L130 PetriNetUnfolder]: For 11097/11335 co-relation queries the response was YES. [2022-01-18 23:41:35,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31482 conditions, 23709 events. 2340/23709 cut-off events. For 11097/11335 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 323183 event pairs, 1009 based on Foata normal form. 8/22350 useless extension candidates. Maximal degree in co-relation 20069. Up to 2906 conditions per place. [2022-01-18 23:41:36,046 INFO L132 encePairwiseOnDemand]: 262/268 looper letters, 22 selfloop transitions, 9 changer transitions 0/285 dead transitions. [2022-01-18 23:41:36,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 285 transitions, 1075 flow [2022-01-18 23:41:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-18 23:41:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-18 23:41:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1969 transitions. [2022-01-18 23:41:36,047 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8163349917081261 [2022-01-18 23:41:36,047 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1969 transitions. [2022-01-18 23:41:36,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1969 transitions. [2022-01-18 23:41:36,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:41:36,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1969 transitions. [2022-01-18 23:41:36,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 218.77777777777777) internal successors, (1969), 9 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:36,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 268.0) internal successors, (2680), 10 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:36,052 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 268.0) internal successors, (2680), 10 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:36,052 INFO L186 Difference]: Start difference. First operand has 274 places, 274 transitions, 991 flow. Second operand 9 states and 1969 transitions. [2022-01-18 23:41:36,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 285 transitions, 1075 flow [2022-01-18 23:41:36,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 285 transitions, 1075 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:41:36,065 INFO L242 Difference]: Finished difference. Result has 286 places, 281 transitions, 1045 flow [2022-01-18 23:41:36,066 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=991, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1045, PETRI_PLACES=286, PETRI_TRANSITIONS=281} [2022-01-18 23:41:36,067 INFO L334 CegarLoopForPetriNet]: 246 programPoint places, 40 predicate places. [2022-01-18 23:41:36,067 INFO L470 AbstractCegarLoop]: Abstraction has has 286 places, 281 transitions, 1045 flow [2022-01-18 23:41:36,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:36,067 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:41:36,067 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:41:36,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 23:41:36,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-01-18 23:41:36,277 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:41:36,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:41:36,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1874207656, now seen corresponding path program 1 times [2022-01-18 23:41:36,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:41:36,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10488688] [2022-01-18 23:41:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:41:36,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:41:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:41:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-01-18 23:41:36,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:41:36,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10488688] [2022-01-18 23:41:36,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10488688] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:41:36,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:41:36,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:41:36,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452140208] [2022-01-18 23:41:36,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:41:36,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:41:36,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:41:36,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:41:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:41:36,332 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 268 [2022-01-18 23:41:36,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 281 transitions, 1045 flow. Second operand has 5 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:41:36,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:41:36,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 268 [2022-01-18 23:41:36,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:43:01,056 INFO L129 PetriNetUnfolder]: 120452/541483 cut-off events. [2022-01-18 23:43:01,056 INFO L130 PetriNetUnfolder]: For 222834/225758 co-relation queries the response was YES. [2022-01-18 23:43:10,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 819364 conditions, 541483 events. 120452/541483 cut-off events. For 222834/225758 co-relation queries the response was YES. Maximal size of possible extension queue 11969. Compared 10387652 event pairs, 46332 based on Foata normal form. 700/508702 useless extension candidates. Maximal degree in co-relation 585741. Up to 71549 conditions per place. [2022-01-18 23:43:12,841 INFO L132 encePairwiseOnDemand]: 262/268 looper letters, 110 selfloop transitions, 86 changer transitions 0/420 dead transitions. [2022-01-18 23:43:12,841 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 420 transitions, 2473 flow [2022-01-18 23:43:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 23:43:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-18 23:43:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1784 transitions. [2022-01-18 23:43:12,842 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.832089552238806 [2022-01-18 23:43:12,843 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1784 transitions. [2022-01-18 23:43:12,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1784 transitions. [2022-01-18 23:43:12,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:43:12,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1784 transitions. [2022-01-18 23:43:12,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 223.0) internal successors, (1784), 8 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:12,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:12,846 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 268.0) internal successors, (2412), 9 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:12,846 INFO L186 Difference]: Start difference. First operand has 286 places, 281 transitions, 1045 flow. Second operand 8 states and 1784 transitions. [2022-01-18 23:43:12,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 420 transitions, 2473 flow [2022-01-18 23:43:14,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 420 transitions, 2473 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-18 23:43:14,029 INFO L242 Difference]: Finished difference. Result has 297 places, 339 transitions, 2015 flow [2022-01-18 23:43:14,029 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2015, PETRI_PLACES=297, PETRI_TRANSITIONS=339} [2022-01-18 23:43:14,030 INFO L334 CegarLoopForPetriNet]: 246 programPoint places, 51 predicate places. [2022-01-18 23:43:14,030 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 339 transitions, 2015 flow [2022-01-18 23:43:14,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:14,030 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:43:14,030 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 23:43:14,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 23:43:14,030 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-01-18 23:43:14,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:43:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash -287707517, now seen corresponding path program 1 times [2022-01-18 23:43:14,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:43:14,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900977806] [2022-01-18 23:43:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:43:14,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:43:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:43:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-01-18 23:43:14,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:43:14,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900977806] [2022-01-18 23:43:14,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900977806] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:43:14,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:43:14,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:43:14,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603640384] [2022-01-18 23:43:14,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:43:14,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:43:14,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:43:14,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:43:14,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:43:14,082 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 268 [2022-01-18 23:43:14,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 339 transitions, 2015 flow. Second operand has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:43:14,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:43:14,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 268 [2022-01-18 23:43:14,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand